GATE प्रश्न और उत्तर का अभ्यास करें

प्र: Which of the following is not a monosaccharide? 1946 0

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    Fructose
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    Glucose
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    Galactose
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    Sucrose
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उत्तर : 4. "Sucrose"
व्याख्या :

Answer: D) Sucrose Explanation: Sucrose is not a monosaccharide.   Monosaccharides are simple carbohydrates molecules that cannot be broken down into smaller molecules of other carbohydrates.   Glucose, galactose and fructose are examples of Monosaccharides.

प्र: 9 girls working 7 hours a day can complete a piece of work in 15 day. In how many days can 6 girls working for 9 hours a day, complete the same piece of work? 1945 0

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    35/4 days
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    17.5 days
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    19 3/4 days
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    37/3 days
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उत्तर : 2. "17.5 days"
व्याख्या :

Answer: B) 17.5 days Explanation: Let the number of days be 'p'  As the work is same, we know that M1 x D1 x H1 = M2 x D2 x H2 Where M = Men, D = Days, H = Hours per day  Here M1 = 9, D1 = 15, H1 = 7  M2 = 6, D2 = p, H2 = 9  => 9 x 15 x 7 = 6 x p x 9  => p = 35/2 = 17.5 days.

प्र: In what ratio must a merchant mix two varieties of oils worth Rs. 60/kg and Rs. 65/kg, so that by selling the mixture at Rs. 68.20/kg, he may gain 10% ? 1944 0

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    2:3
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    4:3
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    3:4
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  • 4
    3:2
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उत्तर : 4. "3:2"
व्याख्या :

Answer: D) 3:2 Explanation: Let he mixes the oils in the ratio = x : y Then, the cost price of the oils = 60x + 65y Given selling price = Rs. 68.20 => Selling price = 68.20(x+y) Given profit = 10% = SP - CP => 10/100 (60x + 65y) = 68.20(x+y)-(60x + 65y) => 6x + 6.5y = 8.20x + 3.20y =>2.2x = 3.3y => x : y = 3 : 2

प्र: Three numbers which are co-prime to each other are such that the product of the first two is 551 and that of the last two is 1073. The sum of the three numbers is : 1944 0

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    83
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    89
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    85
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    79
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उत्तर : 3. "85"
व्याख्या :

Answer: C) 85 Explanation: Since the numbers are co-prime, they contain only 1 as the common factor.Also, the given two products have the middle number in common.So, middle number = H.C.F of 551 and 1073 = 29;First number = 551/29 = 19Third number = 1073/29 = 37.Required sum = 19 + 29 + 37 = 85.

प्र: What is your ideal working environment ? 1944 0

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उत्तर :
व्याख्या :

The interviewer is attempting to assess how closely your ideal fits with the reality of their organisation. A positive work environment makes employees feel good about coming to work, and this provides the motivation to sustain them throughout the day. When you can find the ideal working environment that best suits your work ethics and personality, you will become more productive and lead a fulfilling life. - Before answering, take into account how their company is structured in terms of work days, formality, small start-up verses large corporation, etc.- Focus on wanting an environment that allows for the use and growth of your established skills and qualities.- Highlight your desire to work in a team-oriented workplace.- Talk about your work-style and that it blends in well with the company’s vision.

प्र: The more there is the less you see. What is that? 1943 0

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उत्तर :
व्याख्या :

It is Darkness. If it is more darkness outside, we can see less in that.

प्र: Evaluate : 3.392-2.6123.39-2.69? 1943 0

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    3
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    4
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    6
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    1
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उत्तर : 3. "6"
व्याख्या :

Answer: C) 6 Explanation:   It is in the form of a2-b2a-b = a+ba-ba-b = a+b   Here a = 3.39   b = 2.61     = 3.39 + 2.61 = 6.

प्र: A girl read 2/5 part of a book in 1st day, 34% in second day and remaining page in next two days. In two days she read equal number of page. If she read 52 pages on last day, then find out how many pages did the book contain? 1943 0

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    400
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    376
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    382
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    356
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उत्तर : 1. "400"
व्याख्या :

Answer: A) 400 Explanation: 1st day the girl read = 40% 2nd day she read = 34 % Remaining percentage of book = 100% - (40% +34%) = 26% But given last two days she read equal number of pages => Each day she read 26%/2 = 13% Last day she read 52 pages = 13% 13% = 52 1% = 4 => 100% = 400 Total pages in the book is 400.

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